Fix some value comments

I noticed a very stale comment in valarith.c.  This patch fixes a few
comments in this area.

Reviewed-By: Andrew Burgess <aburgess@redhat.com>

diff --git a/gdb/valarith.c b/gdb/valarith.c
index 6ea0cd9e8d14acf3ca7c3131b007dcd0714288c4..4c2b44360bb1fc08521afd3e4a67d3a7d4a44061 100644 (file)
--- a/gdb/valarith.c
+++ b/gdb/valarith.c
@@ -1884,7 +1884,7 @@ value_less (struct value *arg1, struct value *arg2)
     }
 }
 \f
-/* The unary operators +, - and ~.  They free the argument ARG1.  */
+/* See value.h.  */
 
 struct value *
 value_pos (struct value *arg1)
@@ -1902,6 +1902,8 @@ value_pos (struct value *arg1)
     error (_("Argument to positive operation not a number."));
 }
 
+/* See value.h.  */
+
 struct value *
 value_neg (struct value *arg1)
 {
@@ -1948,6 +1950,8 @@ value_neg (struct value *arg1)
     error (_("Argument to negate operation not a number."));
 }
 
+/* See value.h.  */
+
 struct value *
 value_complement (struct value *arg1)
 {

diff --git a/gdb/value.h b/gdb/value.h
index c3eb96bf14376d90c00358e3345869ffd3f593ba..d83c4ab3674c21b6cd4ba53eaa8eaca876173787 100644 (file)
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -1206,10 +1206,15 @@ extern struct value *value_ref (struct value *arg1, enum type_code refcode);
 extern struct value *value_assign (struct value *toval,
                                   struct value *fromval);
 
+/* The unary + operation.  */
 extern struct value *value_pos (struct value *arg1);
 
+/* The unary - operation.  */
 extern struct value *value_neg (struct value *arg1);
 
+/* The unary ~ operation -- but note that it also implements the GCC
+   extension, where ~ of a complex number is the complex
+   conjugate.  */
 extern struct value *value_complement (struct value *arg1);
 
 extern struct value *value_struct_elt (struct value **argp,